Two brothers seem to get away with a crime - but soon discover they can trust no-one, including each other, in a pitch-black, contemporary thriller.

Baek Je-na is a third-generation conglomerate and a gold spoon of the highest class at Cheongdam International High School. Kim Hye-in grew up in poverty and is offered a chance to study at the Cheongdam International High School in exchange for her silence on a murder she witnessed. Cheongdam International High School is a homicide mystery that follows Je-na’s rivalry with Kim Hye-in as they are pitted against each other in mental warfare.